/*
 * Copyright (c) 2010, Michael Hengler (developer (at) hengler (dot) de),
 * Nikolaus Moll (developer (at) miblounge (dot) net).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the Jombi project nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL JOMBI BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package net.miblounge.jombi.impl.application;

import org.jowidgets.common.application.IApplication;
import org.jowidgets.common.application.IApplicationLifecycle;
import org.jowidgets.common.application.IApplicationRunner;

import com.trolltech.qt.gui.QApplication;

public class QtApplicationRunner implements IApplicationRunner {

	@Override
	public void run(final IApplication application) {
		// Check if event loop is already running
		if (QApplication.instance() != null) {
			throw new IllegalStateException(
				"A QApplication already exists. The application runner assumes, that no QApplication exists at all at creation time.");
		}

		QApplication.initialize(new String[0]);

		//Create a lifecycle that disposes all windows when finished
		final IApplicationLifecycle lifecycle = new IApplicationLifecycle() {

			private boolean isRunning = true;

			@Override
			public synchronized void finish() {
				if (isRunning) {
					isRunning = false;

					// leave event loop
					QApplication.exit();

					// TODO: free resources
				}
			}
		};

		//start the lifecycle
		application.start(lifecycle);

		// start event loop
		QApplication.exec();

	}
}
